# A1 Corex Tools

> A1 Corex Tools (iPhone/iPad app by Fire Proof BV.)

- Source: https://appshunter.io/ios/app/a1-corex-tools/id1485392448 (this page in markdown: same URL + `.md`)
- Developer: [Fire Proof BV](https://appshunter.io/developer/1485392447)
- Category: Productivity, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 33 MB
- Languages: American English
- Released: 2019-11-07
- Data updated: 2026-08-10
- User reviews in markdown: https://appshunter.io/ios/app/a1-corex-tools/id1485392448/reviews.md

## What is A1 Corex Tools?

Quick and easily calculate the 
required thickness of the non-combustible gypsum board for protecting the 
main steel structure


## Version history (last 5 releases)

### 3.4.0 — 2026-08-04

EU Steel: Added step 'Critical Steel Temperature'

### 3.2.1 — 2023-12-11

Added new country/language 'Poland (Polish)'

### 3.1.27 — 2023-07-19

- Added support for Turkey/Turkish

### 3.1.17 — 2022-11-10

- New calculator add: Shaft wall calculator

### 3.0.7 — 2021-05-20

- Added Austria (DE)

## Apps similar to A1 Corex Tools

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Brandpreventie](https://appshunter.io/ios/app/brandpreventie/id1236567890) | — | Free | Productivity |
| [Breman Ambassadeur](https://appshunter.io/ios/app/breman-ambassadeur/id6756965471) | — | Free | Productivity |
| [TIMBERplus Loading](https://appshunter.io/ios/app/timberplus-loading/id1441960048) | — | Free | Productivity |
| [Orange Button® Field](https://appshunter.io/ios/app/orange-button-field/id6478385527) | — | Free | Productivity |
| [Protecta Project Manager](https://appshunter.io/ios/app/protecta-project-manager/id6749899504) | — | Free | Productivity |
| [Board Assist](https://appshunter.io/ios/app/board-assist/id6747923732) | — | Free | Productivity |

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-10.*